Results 21 to 30 of about 642,691 (356)

Non-metallic brush seals for gas turbine bearings [PDF]

open access: yes, 2004
A non-metallic brush seal has been developed as an oil seal for use in turbomachinary. Traditionally labyrinth-type seals with larger clearances have been used in such applications. Labyrinth seals have higher leakage rates and can undergo excessive wear
Akşit, Mahmut Faruk   +4 more
core   +1 more source

Movement responses to environment: fast inference of variation among southern elephant seals with a mixed effects model

open access: yesbioRxiv, 2018
Like many species, movement patterns of southern elephant seals (Mirounga leonina) are being influenced by long-term environmental change. These seals migrate up to 4000 km from their breeding colonies, foraging for months in a variety of Southern Ocean ...
I. Jonsen   +6 more
semanticscholar   +1 more source

Two Seals of the Strategоs of Asia Minor’s Themes from the North Black Sea

open access: yesВестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, 2017
The seals of Fers Tsotzikos as anthypatos Patrikios and Strategos of Cappadocia and TornikVarazvatche as protospatharios and strategos of Claudia (?) were found in Cherson and Tamatarkha.
Valeriy P. Stepanenko
doaj   +1 more source

Demographic, ecological, and physiological responses of ringed seals to an abrupt decline in sea ice availability

open access: yesPeerJ, 2017
To assess whether demographic declines of Arctic species at the southern limit of their range will be gradual or punctuated, we compared large-scale environmental patterns including sea ice dynamics to ringed seal (Pusa hispida) reproduction, body ...
S. Ferguson   +5 more
semanticscholar   +1 more source

Detection of Novel Poxvirus from Gray Seal (Halichoerus grypus), Germany

open access: yesEmerging Infectious Diseases, 2023
We detected a novel poxvirus from a gray seal (Halichoerus grypus) from the North Sea, Germany. The juvenile animal showed pox-like lesions and deteriorating overall health condition and was finally euthanized. Histology, electron microscopy, sequencing,
Florian Pfaff   +8 more
doaj   +1 more source

Social Status of Women in the Sassanid Period (Based on the Seals and its Effects) [PDF]

open access: yesهنر اسلامی, 2020
The knowledge gained in the field of social history in ancient Iran has constantly caused complications for researchers due to the method of historiography and the limitation of written sources. Meanwhile, the remnants of the Sassanid period (224-651 AD)
Behrokh Jamali   +2 more
doaj   +1 more source

Avian Influenza A(H10N7) Virus–Associated Mass Deaths among Harbor Seals

open access: yesEmerging Infectious Diseases, 2015
To the Editor: Avian influenza A viruses occasionally cross the species barrier; influenza A(H5N1) virus and the recently emerged influenza A(H7N9) virus are prime examples of bird-to-human transmission (1,2).
R. Bodewes   +11 more
semanticscholar   +1 more source

Histological investigations on the thyroid glands of marine mammals (Phoca vitulina, Phocoena phocoena) and the possible implications of marine pollution [PDF]

open access: yes, 1993
In 1988 and 1989, thousands of harbor seals (Phoca vitulina) died in the North Sea from phocine distemper infection. The morphology of thyroid glands from 40 harbor seals found dead on the North Sea coastlines of Schleswig-Holstein, Federal Republic of ...
Heidemann, Günter   +5 more
core   +1 more source

Influenza A(H10N7) Virus in Dead Harbor Seals, Denmark

open access: yesEmerging Infectious Diseases, 2015
Since April 2014, an outbreak of influenza in harbor seals has been ongoing in northern Europe. In Denmark during June–August, 152 harbor seals on the island of Anholt were found dead from severe pneumonia.
J. S. Krog   +9 more
semanticscholar   +1 more source

The analysis of the main directions for reducing the intensity of mass flows of the working fluid through leaks in the working chamber of a piston long-stroke low-speed compressor stage [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"
The working processes and integral characteristics of piston long-stroke low-speed compressor stages are considered. Well-known technologies for increasing the feed rate are considered as objects of comparison: selection of the main dimensions and ...
V. L. Yusha   +2 more
doaj   +1 more source

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